Spin dependent Fano effect in an Aharonov-Bohm interferometer with a magnetic quantum dot

被引：0
|
作者：
Seo, K. C. [1 ]
Ihm, G. [1 ]
Lee, S. J. [2 ]
机构：
[1] Chungnam Natl Univ, Dept Phys, Taejon 305764, South Korea
[2] Dongguk Univ, QSRC, Seoul 100715, South Korea
来源：
PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 4, NO 2 | 2007年 / 4卷 / 02期
关键词：
D O I：
10.1002/pssc.200673282
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We have studied the electron transport of a magnetic quantum structure embedded in an Aharonov-Bohm(AB) ring. The magnetic structure, which is defined by the spatially inhomogeneous magnetic fields, can be created by ferromagnetic or by superconducting gates. We have found Fano resonances in addition to the background AB oscillations as functions of the electron energy and gate voltage. These resonances can be spin polarized and thus can be used as a spin filter.
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页码：322 / +
页数：2
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